Radio and Communications

Discuss RF and communications, including antennas, modulation regimes, filter design, and telematics.
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Signal Booster circuit for cell phone
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32
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JimB
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Wireless help needed
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8
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mt92
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Failure to receive the correct Preamble
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4
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unclejed613
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Antenna extension
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3
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Mickster
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Can an aimed Magnetron radiate into space ?
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22
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JimB
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Transistor 100mhz oscillator coil info
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8
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dr pepper
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What kind of modulation is used in this waveform?
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8
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bravehamid
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RF signal generator 3 Mhz up to 30 Mhz
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9
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atferrari
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can any one suggest the experiment related to 4 channel Frequency Division Multiplexing in AF range?
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2
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Ramussons
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Radios with the same integrated circuit but with different FM selectivity
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20
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ursebastian7
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RFID 125kHz Reader HTRC110 and PIC32
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1
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Nigel Goodwin
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Help with figuring out a Reciever Board for 450-470 Mhz Range
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2
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Sunny52266
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What is this antenna from?
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3
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Ylli
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Audio amplifier help
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10
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unclejed613
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Portable radio is changed from FM station alone
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6
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audioguru
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Anyone active user of software defined radios ?
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15
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unclejed613
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RF mixer project.
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5
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rjenkinsgb
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3/4 Wavelength Antenna
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2
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fuseless
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Channel selector switch - FM receiver (Hex3653 Kit)
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10
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Boxnut
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27.12 MHZ Crystal
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3
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Boxnut
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